This Low Calorie High Protein Lemonade Smoothie is just 109 calories and is packed with 11.8g of protein!You can boost the protein more and add 2 scoops of vanilla protein powder, if you do this you can also skip the sweetener!Special Tip: To make this a meal replacement smoothie, add in an extra scoop of protein. You can also add in some baby spinach. It won't change the flavor, but it will boost the nutrition.